package com.zc.study.thread.多线程第一章节.多线程1_10;

import java.util.Random;

public class MyThread2 extends Thread {
    @Override
    public void run(){
        long beginTime = System.currentTimeMillis();
        long addResult =0 ;
        for(int j=0;j<10;j++){
            for(int i =0;i<50000;i++){
                Random random = new Random();
                random.nextInt();
                addResult=addResult+i;
            }
        }
        long endTime = System.currentTimeMillis();
        System.out.println("********* thread 2 use time"+ (endTime- beginTime));
    }
}
